The investigation was conducted: Season 2 - 36 Episode s
2x33 - Episode 33
January 19, 2007
2x34 - Episode 34
January 26, 2007
2x35 - Episode 35
February 2, 2007
2x36 - Episode 36
February 9, 2007
2x37 - Episode 37
February 16, 2007
2x38 - Episode 38
February 23, 2007
2x39 - Episode 39
March 2, 2007
2x40 - Episode 40
March 16, 2007
2x41 - Episode 41
March 23, 2007
2x42 - Episode 42
March 30, 2007
2x43 - Episode 43
April 6, 2007
2x44 - Episode 44
April 13, 2007
2x45 - Episode 45
April 20, 2007
2x46 - Episode 46
April 27, 2007
2x47 - Episode 47
May 18, 2007
2x48 - Episode 48
May 25, 2007
2x49 - Episode 49
June 1, 2007
2x50 - Episode 50
June 22, 2007
2x51 - Episode 51
June 29, 2007
2x52 - Episode 52
September 7, 2007
2x53 - Episode 53
September 14, 2007
2x54 - Episode 54
September 21, 2007
2x55 - Episode 55
September 28, 2007
2x56 - Episode 56
October 5, 2007
2x57 - Episode 57
October 12, 2007
2x58 - Episode 58
October 19, 2007
2x59 - Episode 59
October 26, 2007
2x60 - Episode 60
November 2, 2007
2x61 - Episode 61
November 9, 2007
2x62 - Episode 62
November 16, 2007
2x63 - Episode 63
November 23, 2007
2x64 - Episode 64
November 30, 2007
2x65 - Episode 65
December 7, 2007
2x66 - Episode 66
December 14, 2007
2x67 - Episode 67
December 21, 2007
2x68 - Episode 68
December 28, 2007
The investigation was conducted: All seasons
S0: Specials
1 Episode
S1: Season 1
32 Episode s
S2: Season 2
36 Episode s
S3: Season 3
36 Episode s
S4: Season 4
29 Episode s
S5: Season 5
32 Episode s
S6: Season 6
31 Episode s
S7: Season 7
35 Episode s
S8: Season 8
34 Episode s
S9: Season 9
33 Episode s
S10: Season 10
35 Episode s
S11: Season 11
35 Episode s
S12: Season 12
35 Episode s
S13: Season 13
36 Episode s
S14: Season 14
36 Episode s
S15: Season 15
36 Episode s
S16: Season 16
36 Episode s
S17: Season 17
36 Episode s
S18: Season 18
37 Episode s
S19: Season 19
35 Episode s